An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Bai F, Saalbach KA, Long Y, Twiefel J, Wallaschek J.Bai F, et al. Among authors: twiefel j.Ultrasonics. 2018 Mar;84:38-44. doi: 10.1016/j.ultras.2017.10.013. Epub 2017 Oct 13.Ultrasonics. 2018.PMID: 29073486
Saalbach KA, Twiefel J, Wallaschek J.Saalbach KA, et al. Among authors: twiefel j.Ultrasonics. 2019 Apr;94:401-410. doi: 10.1016/j.ultras.2018.06.016. Epub 2018 Jun 28.Ultrasonics. 2019.PMID: 30001851
Bai F, Long Y, Saalbach KA, Twiefel J.Bai F, et al. Among authors: twiefel j.Ultrasonics. 2019 Mar;93:130-138. doi: 10.1016/j.ultras.2018.11.010. Epub 2018 Nov 27.Ultrasonics. 2019.PMID: 30508727
Bai F, Saalbach KA, Wang L, Wang X, Twiefel J.Bai F, et al. Among authors: twiefel j.Ultrasonics. 2018 Mar;84:350-355. doi: 10.1016/j.ultras.2017.12.001. Epub 2017 Dec 5.Ultrasonics. 2018.PMID: 29232591
Bai F, Wang L, Yang K, He Z, Liu C, Twiefel J.Bai F, et al. Among authors: twiefel j.Ultrasonics. 2021 Aug;115:106453. doi: 10.1016/j.ultras.2021.106453. Epub 2021 Apr 25.Ultrasonics. 2021.PMID: 33932642